Question about HP Compaq nc6400 (GJ982US) PC Notebook

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Laptop screen fades out - have to move it constantly to get mouse to work - red and blue vertical lines also appear when I'm able to view the screen

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Sounds like either a bad inverter or bad screen. The best thing to do is try to hook up an external monitor to the VGA cable and press the Fn+F7 or f8 button. Not sure which one it is on that model laptop but it should have a small computer icon or say crt/lcd on the F7 button. Also you have to be logged into do this. If it works that way you will know that it is for sure either the inverter or screen. One of them will have to be replaced.

Posted on Sep 23, 2009

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There is either a loose video cable connection inside, or a bad video cable.
you might consider buying an external monitor and using it like that, as opposed to getting it fixed. it may cost more to have it fixed than a new external monitor.

Posted on Sep 23, 2009

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Thin vertical blue ink bleed line from bottom of Malaprop screen - Fades over time


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Yes, it's a screen problem. It could be a loose connection of the LCD and the motherboard or the lid lights gone bad. You can fix that by either resetting the connection of the screen and the motherboard or replacing the whole screen. You would need a technician to do that.

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Red line on lcd tv


The line can be from a number of causes--

Main board communicates with screen unit and has a problem.

Power board unlikely if just one tiny line.

A bad connection either from a ribbon cable or plug--some of these ribbon cables are INSIDE the front screen unit where they cannot be gotten at.

Last but not least a bad display panel (entire front screen unit) which is fatal from a repair cost point of view.

Individual segments which are controlled by main board cannot be turned "off".

May 29, 2012 | Televison & Video

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I have a vertical line that appears down the right hand side of my Toshiba Laptop screen. It appears when I hover the mouse over to the right and fades away when I move off of the area. It is not allowing...


Try hooking an external monitor to the laptop and see if it works normally then. This signals a video card problem most likely. I don't believe that this model of laptop has a replaceable video chip so your motherboard will need to be replaced by a tech to fix the problem.

May 03, 2011 | Compaq Presario M2000 Notebook

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Red and blue ghosting,


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 12, 2009 | LG RU-52SZ51D 52" Rear Projection...

2 Answers

Laptop screen fading in streaks


this thing happened in my laptop also i got green screen fully
then when i hit it behind the screen it was gone but comes many times then again i would hit
later on the screen was completly lost then had to replace the screen
yous is a starting period so go to a nearby computer service and fix the screen

May 27, 2009 | Compaq Presario M2000 Notebook

4 Answers

Vertical lines in my laptop screen


Try connecting an external monitor to the Dell Inspiron 9300 and see if the vertical line is also present on the monitor. If the monitor display is fine, then your laptop’s LCD display panel is defective. If the monitor also displays the vertical line, then your problem is with either the video card or motherboard located inside your laptop.
Not sure if the Compaq Presario has an external monitor plug, but if it does the above procedure can be applied to that one as well.


Your responses are intended to improve the level of service provided. Please rate your experience.
Thank You.

Oct 19, 2008 | Dell Inspiron 9300 Notebook

1 Answer

Red box half way down screen


I am getting re or blue lines running vertically on my Tv. They are not there all the time just now and then. Can I fix it with my remote or do I need a tech?

Jun 16, 2008 | Hitachi 55HDS69 55 in. Plasma Television

3 Answers

Fine tuning grid on my Samsung HDTV with remote.(BP59-00048)


To adjust manual convergence on your projection TV, follow theses steps:
  1. Turn your TV on.
  2. Let it warm up for 30 minutes.
  3. Press the Menu button on your remote. The Main menu appears.
  4. Use your remote to select Function, and then press the joystick.
  5. Select Convergence, and then press the joystick. The Manual Convergence screen appears.
  6. Select Red, and then press the joystick. A series of crosshairs appears on the screen.
  7. Select one of the outside crosshairs by moving the joystick up/down/right/left or by pressing the 2 (up), 4 (left), 6 (right), or 8 (down) buttons on your remote. The method you use depends on the model of remote you have. Note: You must do the outside crosshairs first.
  1. In the crosshair you selected, if you can see a horizontal red line, use the CH up or CH down buttons to move the line so that it is superimposed on the horizontal center line of the crosshair. Note: Make the single horizontal line as white as possible.
  1. In the crosshair you selected, if you can see a vertical red line, use the Vol + or Vol - buttons to move the line so that it is superimposed on the vertical center line of the crosshair. Note: Make the single vertical line as white as possible.
  1. Repeat for all outside crosshairs, and then for the inside crosshair.
  2. Return to the Manual Convergence Screen, and select Blue, and then press the joystick.
  3. Repeat Steps 7 through 10 for Blue.
  4. Press the Menu button on your remote to exit.
Important: The directions above work for most Samsung Rear Projection TVs. Yours may be different. For exact directions to perform manual convergence, see your user's manual. If you don't have your user's manual on hand, click HERE to view your manual on line.
If you cannot get your Projection TV to converge, it may need to be serviced. To arrange a service appointment, call Samsung Customer Care at 1-800-Samsung (1-800-726-7864). Have your TV's model number and serial number on hand when you call.

Jan 05, 2008 | Samsung BP59-00016A Remote Control

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